Water sampling assembly for surface water quality monitoring device

Abstract

The invention provides a water sampling assembly for a surface water quality monitoring device, and belongs to the technical field of water quality monitoring, the water sampling assembly comprises a box body, a partition plate is arranged in the box body, a telescopic mechanism is arranged on the upper surface of the partition plate, the telescopic mechanism comprises a main movable plate, and a C-shaped sliding block is arranged at the right end of the rear side of the main movable plate; a first auxiliary movable plate is movably connected into the C-shaped sliding block, the right end of the rear side of the first auxiliary movable plate is movably connected with five sets of second auxiliary movable plates through the C-shaped sliding block. By means of the arranged telescopic mechanism, when not in use, the main movable plate, the first auxiliary movable plate and the second auxiliary movable plate are all stored in the box body, all the movable plates are located on the same plane, horizontal movement of the same length can be achieved, meanwhile, the movable plates cannot occupy too much space during storage, and a worker can conveniently carry and store the movable plates; the damage probability of the device is reduced, and the practicability is higher.

Description

Technical Field

[0001] The invention belongs to the technical field of water quality monitoring, and in particular relates to a water sampling component for a surface water quality monitoring device. Background Art

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water bodies, the concentrations of various pollutants and their changing trends, and evaluating the water quality. The monitoring scope is very wide, including unpolluted and polluted natural water and various industrial drainage. The main monitoring items can be divided into two categories: one is the comprehensive indicators reflecting the water quality, such as temperature, color, turbidity, pH value, conductivity, suspended solids, dissolved oxygen, chemical oxygen demand and biochemical oxygen demand; the other is some toxic substances, such as phenol, cyanide, arsenic, lead, chromium, cadmium, mercury and organic pesticides. In order to objectively evaluate the water quality of rivers and oceans, in addition to the above monitoring items, it is sometimes necessary to measure the flow rate and flow.

[0003] When monitoring and sampling surface water such as rivers and lakes, since rivers and lakes are large, sampling is usually performed through a water sampling assembly on a detection device. The lateral telescopic mechanism on the water sampling assembly moves the water quality sampler to a suitable water sampling point for sampling. However, the lateral telescopic mechanism on the existing water sampling assembly is long and occupies a large space. When carrying and storing, the telescopic arm of the telescopic mechanism is easily damaged by collision.

[0004] Therefore, we propose a water sampling component for a surface water quality monitoring device to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the lateral telescopic mechanism on the existing water sampling component is long, occupies a large space, and the telescopic arm of the telescopic mechanism is easily damaged by collision when carried and stored, and to propose a water sampling component for a surface water quality monitoring device.

[0006] The object of the present invention can be achieved by the following technical scheme: comprising a box body, a partition is arranged inside the box body, a telescopic mechanism is arranged on the upper surface of the partition, the telescopic mechanism comprises a main movable plate, a C-shaped slider is arranged at the rear right end of the main movable plate, a first auxiliary movable plate is movably connected inside the C-shaped slider, a second auxiliary movable plate is movably connected to the rear right end of the first auxiliary movable plate through the C-shaped slider, and five groups of second auxiliary movable plates are arranged, and the five groups of second auxiliary movable plates are connected by C-shaped sliders, and the rear right end of the last group of second auxiliary movable plates is slidably connected to the inner rear wall of the box body through a square slider, and the main movable plate, the first auxiliary movable plate and the second auxiliary movable plate are all slidably installed inside the box body;

[0007] A limiting mechanism is provided inside the left side of the first sub-active plate and the five groups of the second sub-active plates, the limiting mechanism includes a vertical plate, the vertical plate is movably installed inside the first sub-active plate, connecting rods are provided at the upper and lower ends of the rear side of the vertical plate, the rear ends of the two connecting rods are provided with blocks, the rear ends of the two blocks are inserted into the interior of the C-shaped slider, the circumferential surfaces of the two connecting rods are sleeved with springs 2, the rear ends of the springs 2 are connected to the blocks, and the front ends of the springs 2 are connected to the interior of the first sub-active plate.

[0008] As a preferred embodiment of the present invention, the first auxiliary movable plate and the five groups of the second auxiliary movable plates are provided with sliding grooves at both upper and lower ends, and the rear end of the C-shaped slider is slidably installed inside the sliding groove.

[0009] As a preferred embodiment of the present invention, a squeezing mechanism is provided inside the first sub-movable plate and the five groups of the second sub-movable plates, and the squeezing mechanism includes a left and right movable plate, and the left and right movable plates are movably installed inside the first sub-movable plate, and an annular mounting block is provided on the surface of the left side of the left and right movable plates, and a spring three is provided on the left side wall of the annular mounting block, and the left end of the spring three is connected to the inside of the first sub-movable plate, and an arc-shaped protrusion is provided on the front side of the left end of the left and right movable plates.

[0010] As a preferred embodiment of the present invention, the arc-shaped protrusion is arranged on the right side of the vertical plate, the left end of the rear side of the vertical plate is arc-shaped, the right side wall of the box body is provided with a storage groove II, and there are six storage grooves II, and the six storage grooves II are respectively arranged on the left side of the six left and right movable plates.

[0011] As a preferred embodiment of the present invention, a pushing mechanism is provided inside each of the six storage slots II, and the six groups of pushing mechanisms are respectively arranged below the right end of the first sub-movable plate and the five groups of the second sub-movable plates, and the pushing mechanism includes a lower pressure plate, and the lower end of the lower pressure plate is movably mounted inside the partition through spring four, and the lower right end of the lower pressure plate is movably connected to an upper plate through a hinge rod, and the middle of the hinge rod is rotatably mounted inside the partition through a fulcrum, and the upper plate is movably mounted inside the box body, and the upper end of the upper plate is located below the storage slot II.

[0012] As a preferred embodiment of the present invention, the left and right sides of the upper end of the lower pressure plate are both arc-shaped, and the lower right ends of the first auxiliary movable plate and the five groups of the second auxiliary movable plates are each provided with a storage groove that matches the lower pressure plate.

[0013] As a preferred embodiment of the present invention, a traction mechanism is arranged above the main movable plate, the first sub-movable plate and the five groups of the second sub-movable plates, the traction mechanism includes a mounting plate, and the mounting plate is arranged on the left inner wall of the box body, the upper surface of the mounting plate is provided with an automatic retractable cable reel, the circumferential surface of the automatic retractable cable reel is wound with a traction rope, the left end of the traction rope passes through the left side of the box body and is connected to a hook, the hook is connected to a fixing ring, and the fixing ring is arranged at the left end of the upper surface of the main movable plate.

[0014] As a preferred embodiment of the present invention, a clamping mechanism is provided on the left side of the automatic retractable cable reel, and the clamping mechanism includes an L-shaped movable plate, and the L-shaped movable plate is movably installed inside the left side of the box through a spring, and a cross block is provided on the right side of the upper end of the L-shaped movable plate, and a cross slot matching the cross block is provided on the left side of the automatic retractable cable reel, and the left side wall of the box is threadedly connected to a limiting screw, and the right end of the limiting screw abuts against the left side wall of the L-shaped movable plate, and the left ends of the upper surfaces of the main movable plate, the first sub-movable plate and the five groups of the second sub-movable plates are all provided with L-shaped abutting blocks, and the right side of the L-shaped abutting block abuts against the left side of the lower surface of the L-shaped movable plate.

[0015] As a preferred embodiment of the present invention, a water sampling mechanism is arranged below the main movable plate, and the water sampling mechanism includes a motor, and the motor is arranged inside the right end of the main movable plate, the power output end of the motor is transmission-connected with a winding shaft, the circumferential surface of the winding shaft is connected to a water quality sampler through a pull rope, a positioning wheel is arranged on the lower surface of the left end of the main movable plate, and the left end of the pull rope is connected to the positioning wheel through rope transmission.

[0016] As a preferred embodiment of the present invention, a movable groove is opened inside the front end of the partition, and the width of the movable groove is greater than the diameter of the water quality sampler. A sealing door is provided on the left side wall of the box body, and the sealing door is located on the right side of the water quality sampler.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) Through the telescopic mechanism, when not in use, the main movable plate, the first auxiliary movable plate and the second auxiliary movable plate are all stored inside the box, and all the movable plates are on the same plane, which can achieve horizontal movement of the same length and not occupy too much space when stored, making it convenient for staff to carry and store, reducing the probability of damage to the device and making it more practical;

[0019] (2) The traction mechanism can be used to traction the movable plate out of the box, dispersing the influence of gravity on the movable plate, avoiding excessive force on the connection of the movable plate and causing breakage and damage, thereby improving the stability of the water collection process and the service life of the device;

[0020] (3) By setting up a clamping mechanism, the traction mechanism can be limited and fixed after the movable plate is unfolded, so as to prevent the traction mechanism from continuing to unwind and causing the traction effect to fail, thereby improving the stability of the traction mechanism during use;

[0021] (4) By setting a limiting mechanism, when the front set of movable panels is connected with the rear set of movable panels through the limiting mechanism, the front set of movable panels continues to extend outward, which can drive the rear set of movable panels to extend outward, thereby achieving a multi-stage telescopic effect of the movable panels;

[0022] (5) By providing a squeezing mechanism and a pushing mechanism, the limiting mechanism can be automatically popped out when the movable plate is stored, so that the movable plate can be automatically stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 It is a first front cutaway perspective view of the present invention;

[0026] Figure 3 It is a second front cutaway perspective view of the present invention;

[0027] Figure 4 For the present invention Figure 3 A magnified view of the structure at center A;

[0028] Figure 5 It is a top-down perspective view of the present invention;

[0029] Figure 6 For the present invention Figure 5 A magnified view of the structure at B in the middle;

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the telescopic mechanism of the present invention;

[0031] Figure 8 It is a left-cut perspective view of the connection between the first auxiliary movable plate and the C-shaped sliding block of the present invention;

[0032] Fig. 9 It is a front sectional perspective view of the clamping mechanism of the present invention.

[0033] In the figure: 1, box body; 2, partition; 3, telescopic mechanism; 301, main movable plate; 302, C-shaped slider; 303, slide groove; 304, first auxiliary movable plate; 305, second auxiliary movable plate; 306, square slider; 4, traction mechanism; 401, mounting plate; 402, automatic telescopic winding drum; 403, traction rope; 404, hook; 405, fixing ring; 5, clamping mechanism; 501, L-shaped movable plate; 502, spring 1; 503, cross plug block; 504, cross slot; 505, limit screw; 6, water collection mechanism; 601 , motor; 602, winding shaft; 603, water sampler; 604, positioning wheel; 7, limiting mechanism; 701, vertical plate; 702, connecting rod; 703, block; 704, spring two; 8, squeezing mechanism; 801, left and right moving plates; 802, annular mounting block; 803, spring three; 804, arc-shaped protrusion; 9, pushing mechanism; 901, lower pressure plate; 902, spring four; 903, hinged rod; 904, upper moving plate; 10, sealing door; 11, storage slot one; 12, movable slot; 13, L-shaped abutment block; 14, storage slot two. DETAILED DESCRIPTION

[0034] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example

[0036] See also Figure 1 - Fig. 9 As shown, a water sampling component for a surface water quality monitoring device comprises a box body 1, a partition plate 2 is arranged inside the box body 1, a telescopic mechanism 3 is arranged on the upper surface of the partition plate 2, the telescopic mechanism 3 comprises a main movable plate 301, a C-shaped slider 302 is arranged at the rear right end of the main movable plate 301, a first auxiliary movable plate 304 is movably connected inside the C-shaped slider 302, a second auxiliary movable plate 305 is movably connected to the rear right end of the first auxiliary movable plate 304 through the C-shaped slider 302, and five groups of the second auxiliary movable plates 305 are arranged, and the five groups of the second auxiliary movable plates 305 are connected by the C-shaped slider 302, and the rear right end of the last group of the second auxiliary movable plates 305 is slidably connected to the inner rear wall of the box body 1 through the square slider 306, and the main movable plate 301, the first auxiliary movable plate 304 and the second auxiliary movable plate 305 are all slidably installed inside the box body 1;

[0037] It should be noted that, first, the main movable plate 301 is manually pushed to move to the left, so that the main movable plate 301 moves to the left and out of the box body 1. At this time, the main movable plate 301 moves to the left and the C-shaped slider 302 connected to its rear side slides to the left on the first sub-movable plate 304. When the C-shaped slider 302 moves to the leftmost end of the first sub-movable plate 304 and engages with the first sub-movable plate 304, when the main movable plate 301 continues to move to the left, the first sub-movable plate 304 will be driven to move to the left through the C-shaped slider 302. Similarly, when the main movable plate 301 continues to move to the left, the second sub-movable plate 305 can be driven to move to the left through the C-shaped slider 302 on the first sub-movable plate 304, thereby achieving an extension effect of the movable plate.

[0038] A traction mechanism 4 is arranged above the main movable plate 301, the first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305. The traction mechanism 4 includes a mounting plate 401, and the mounting plate 401 is arranged on the left inner wall of the box body 1. An automatic retractable cable reel 402 is arranged on the upper surface of the mounting plate 401. A traction rope 403 is wound around the circumferential surface of the automatic retractable cable reel 402. The left end of the traction rope 403 passes through the left side of the box body 1 and is connected to a hook 404. The hook 404 is connected to a fixing ring 405, and the fixing ring 405 is arranged at the left end of the upper surface of the main movable plate 301.

[0039] It should be noted that when the main movable panel 301, the first auxiliary movable panel 304 and the second auxiliary movable panel 305 move to the left, the traction ropes 403 connected thereto are all in a straightened state, so that the traction ropes 403 can give a pulling force to the main movable panel 301, the first auxiliary movable panel 304 and the five groups of second auxiliary movable panels 305, thereby dispersing the influence of gravity on the main movable panel 301, the first auxiliary movable panel 304 and the five groups of second auxiliary movable panels 305, reducing the pressure brought by gravity on the connection between the main movable panel 301, the first auxiliary movable panel 304 and the five groups of second auxiliary movable panels 305, and improving the stability and service life of the main movable panel 301, the first auxiliary movable panel 304 and the five groups of second auxiliary movable panels 305 when in use.

[0040] A clamping mechanism 5 is provided on the left side of the automatic telescopic winding drum 402, and the clamping mechanism 5 includes an L-shaped movable plate 501, and the L-shaped movable plate 501 is movably installed inside the left side of the box body 1 through a spring 1 502, a cross plug block 503 is provided on the right side of the upper end of the L-shaped movable plate 501, and a cross slot 504 matching the cross plug block 503 is provided on the left side of the automatic telescopic winding drum 402, a limiting screw 505 is threadedly connected to the left side wall of the box body 1, and the right end of the limiting screw 505 abuts against the left side wall of the L-shaped movable plate 501, and the left ends of the upper surfaces of the main movable plate 301, the first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305 are all provided with L-shaped abutting blocks 13, and the right side of the L-shaped abutting block 13 abuts against the left side of the lower surface of the L-shaped movable plate 501;

[0041] It should be noted that when the main movable plate 301, the first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305 are located inside the box body 1, the L-shaped abutment block 13 on the upper surface of the left end thereof abuts against the L-shaped movable plate 501, and the L-shaped movable plate 501 drives the cross plug block 503 to be partially inserted into the cross slot 504, so as to avoid the automatic telescopic winding drum 402 from unwinding when the device is carried. When the main movable plate 301, the first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305 move to the left, they first move a short distance to the left to straighten the traction rope 403. At the same time, because the L-shaped abutment block 13 moves to the left and no longer abuts against the L-shaped movable plate 501, the L-shaped movable plate 501 and the cross plug block 503 move to the left through the spring 1 502, so that the automatic telescopic winding drum 402 loses its limit fixing. The automatic retractable cable drum 402 is fixed to the upper and lower surfaces of the water pump 406, and the automatic retractable cable drum 402 is fixed to the upper and lower surfaces of the water pump 406. The automatic retractable cable drum 402 is fixed to the upper and lower surfaces of the water pump 406, and the automatic retractable cable drum 402 is fixed to the upper and lower surfaces of the water pump 406.

[0042] The first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305 are both provided with a limiting mechanism 7 on their left sides. The limiting mechanism 7 includes a vertical plate 701, which is movably installed inside the first auxiliary movable plate 304. Connecting rods 702 are provided at both upper and lower ends of the rear side of the vertical plate 701. Blocks 703 are provided at the rear ends of the two connecting rods 702. The rear ends of the two blocking blocks 703 are plugged into the interior of the C-shaped slider 302. The circumferential surfaces of the two connecting rods 702 are both sleeved with springs 704. The rear ends of the springs 704 are connected to the blocks 703. The front ends of the springs 704 are connected to the interior of the first auxiliary movable plate 304. Slide grooves 303 are provided at both upper and lower ends of the first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305. The rear ends of the C-shaped slider 302 are slidably installed inside the slide grooves 303. The setting of the slide grooves 303 provides sliding space for the C-shaped slider 302, so that the C-shaped slider 302 can smoothly move horizontally left and right.

[0043] It should be noted that the right rear end of the block 703 is designed to be arc-shaped, so that when the C-shaped slider 302 moves to contact the block 703, it can first squeeze the block 703 forward, and then when the C-shaped slider 302 moves to the leftmost end of the slide groove 303, the block 703 moves backward under the action of the spring 2 704, so as to be inserted into the inside of the C-shaped slider 302 and limit the C-shaped slider 302, so that the main movable plate 301 can be connected to the first sub-movable plate 304 through the C-shaped slider 302, and the first sub-movable plate 304 can be connected to the second sub-movable plate 305 through the C-shaped slider 302, and the second sub-movable plate 305 at the front end can also be connected to the second sub-movable plate 305 at the rear side through the C-shaped slider 302.

[0044] The first auxiliary movable plate 304 and the five groups of second auxiliary movable plates 305 are both provided with a squeezing mechanism 8 inside, the squeezing mechanism 8 includes a left and right movable plate 801, the left and right movable plate 801 is movably installed inside the first auxiliary movable plate 304, the surface on the left side of the left and right movable plate 801 is provided with an annular mounting block 802, the left side wall of the annular mounting block 802 is provided with a spring three 803, and the left end of the spring three 803 is connected to the inside of the first auxiliary movable plate 304, the front of the left end of the left and right movable plate 801 is provided with an arc-shaped protrusion 804, the arc-shaped protrusion 804 is arranged on the right side of the vertical plate 701, and the left end of the rear side of the vertical plate 701 is an arc-shaped design, the right side wall of the box body 1 is provided with a storage groove two 14, and the storage groove two 14 is provided with six, and the six storage grooves two 14 are respectively arranged on the left side of the six left and right movable plates 801;

[0045] It should be noted that, when the main movable plate 301, the first sub-movable plate 304 and the five groups of second sub-movable plates 305 are stored inside the box body 1, the right end of the left and right movable plate 801 is inserted into the inside of the storage slot 2 14, and the left end of the left and right movable plate 801 is located on the right side of the vertical plate 701. Only when the left and right movable plate 801 is pushed to the left, the left and right movable plate 801 moves to the left. When the left end of the left and right movable plate 801 moves to the rear side of the vertical plate 701, the arc-shaped protrusion 804 pushes the vertical plate 701 forward, so that the vertical plate 701 drives the block 703 to move out of the C-shaped slider 302 through the connecting rod 702, so that the C-shaped slider 302 loses its fixing effect, thereby disconnecting the connection between the two second sub-movable plates 305, or disconnecting the first sub-movable plate 304 and the second sub-movable plate 305, or disconnecting the main movable plate 301 and the first sub-movable plate 304.

[0046] The six storage slots 14 are each provided with a pushing mechanism 9, and the six groups of pushing mechanisms 9 are respectively arranged below the right ends of the first sub-active plate 304 and the five groups of second sub-active plates 305, the pushing mechanism 9 comprises a lower pressing plate 901, the lower end of the lower pressing plate 901 is movably mounted inside the partition 2 through a spring four 902, the lower right end of the lower pressing plate 901 is movably connected with an upper moving plate 904 through a hinge rod 903, the middle of the hinge rod 903 is rotatably mounted inside the partition 2 through a fulcrum, the upper moving plate 904 is movably mounted inside the box body 1, and the upper end of the upper moving plate 904 is located below the storage slot 14, the left and right sides of the upper end of the lower pressing plate 901 are both arc-shaped, and the first sub-active plate 304 and the five groups of second sub-active plates 305 are both provided with a storage slot 11 matching the lower pressing plate 901 at the lower right ends;

[0047] It should be noted that when the first auxiliary movable plate 304 is stored back into the box body 1, the first auxiliary movable plate 304 moves to the right into the box body 1. When the right end of the first auxiliary movable plate 304 contacts the lower pressure plate 901, the lower pressure plate 901 can be pressed downward, so that the lower pressure plate 901 drives the upper plate 904 to move upward through the hinge rod 903, so that the upper end of the upper plate 904 moves into the interior of the storage groove 14. At this time, the right end of the left and right movable plate 801 will abut against the upper plate 904, and then when the first auxiliary movable plate 304 continues to move to the right, the left and right movable plate 801 will move to the left, so that the arc-shaped protrusion 804 pushes The movable vertical plate 701 moves forward, causing the C-shaped slider 302 to lose its fixing effect, disconnecting the main movable plate 301 and the first sub-movable plate 304. At this time, the first sub-movable plate 304 is completely moved into the box body 1, and the lower pressure plate 901 moves upward under the action of the spring four 902 and is inserted into the storage groove one 11 of the first sub-movable plate 304. At the same time, the upper plate 904 is reset downward, leaving the storage groove two 14 empty, leaving a plug-in space for the right end of the left and right movable plates 801. At this time, the left and right movable plates 801 move to the right to the initial position under the action of the spring three 803, so that the arc-shaped protrusion 804 no longer abuts against the vertical plate 701.

[0048] A water sampling mechanism 6 is arranged below the main movable plate 301, and the water sampling mechanism 6 includes a motor 601, and the motor 601 is arranged inside the right end of the main movable plate 301, and the power output end of the motor 601 is transmission-connected with a winding shaft 602, and the circumferential surface of the winding shaft 602 is connected with a water quality sampler 603 through a pull rope, and a positioning wheel 604 is arranged on the lower surface of the left end of the main movable plate 301, and the left end of the pull rope is connected to the positioning wheel 604 through rope transmission, and a movable groove 12 is opened inside the front end of the partition 2, and the width of the movable groove 12 is greater than the diameter of the water quality sampler 603. The setting of the movable groove 12 enables the main movable plate 301 to drive the water sampling mechanism 6 to move horizontally left and right smoothly, and a sealing door 10 is arranged on the left side wall of the box body 1, and the sealing door 10 is located on the right side of the water quality sampler 603. The setting of the sealing door 10 can close the left side of the box body 1 when this device is not in use.

[0049] When the present invention is used, when sampling of surface water is required, the box 1 is carried to the river, and then the main movable plate 301 is moved to the left, so that the main movable plate 301 is moved out of the box 1. When the main movable plate 301 moves to the left, so that the corresponding L-shaped movable plate 501 loses the abutment limit, the L-shaped movable plate 501 drives the cross plug 503 to move out of the cross slot 504 through the spring 1 502, so that the main movable plate 301 moves smoothly to the left, and the traction rope 403 above it is always in an unwinding and straightened state;

[0050] When the main movable plate 301 drives the C-shaped slider 302 to move leftward to the left end of the inner groove 303 of the first auxiliary movable plate 304, the clamping block 703 is clamped in the inside of the C-shaped slider 302 through the spring 704, so that the main movable plate 301 and the first auxiliary movable plate 304 are connected together. At this time, when the main movable plate 301 continues to move leftward, it can drive the first auxiliary movable plate 304 to move leftward. Similarly, when the first auxiliary movable plate 304 is connected to the second auxiliary movable plate 305 through the C-shaped slider 302, it can drive the second auxiliary movable plate 30 5 is moved to the left out of the box body 1. When the water quality sampler 603 under the main movable plate 301 moves to a suitable water sampling point, the second auxiliary movable plate 305 stops moving toward the outside of the box body 1. At this time, all the limit screws 505 in front of the second auxiliary movable plate 305 are rotated so that the limit screws 505 drive the corresponding L-shaped movable plate 501 to move to the right. The cross plug block 503 is inserted into the cross slot 504 to limit and fix the corresponding automatic telescopic winding drum 402 to prevent the automatic telescopic winding drum 402 from rotating and affecting the effect of the traction rope 403.

[0051] Then, the motor 601 is started, and the motor 601 drives the winding shaft 602 to rotate, so that the winding shaft 602 is unwound, and the water quality sampler 603 is moved downward into the water, and the water quality sampler 603 smoothly performs the water sampling work.

[0052] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A water sampling assembly for a surface water quality monitoring device, comprising a box (1), wherein a partition (2) is arranged inside the box (1), characterized in that: The upper surface of the partition (2) is provided with a telescopic mechanism (3), the telescopic mechanism (3) comprising a main movable plate (301), a C-shaped slider (302) being provided at the rear right end of the main movable plate (301), a first auxiliary movable plate (304) being movably connected inside the C-shaped slider (302), a second auxiliary movable plate (305) being movably connected at the rear right end of the first auxiliary movable plate (304) via the C-shaped slider (302), and five groups of the second auxiliary movable plates (305) are provided, the five groups of the second auxiliary movable plates (305) are all connected via the C-shaped slider (302), the rear right end of the last group of the second auxiliary movable plates (305) is slidably connected to the inner rear wall of the box body (1) via a square slider (306), and the main movable plate (301), the first auxiliary movable plate (304) and the second auxiliary movable plate (305) are all slidably mounted inside the box body (1); A limiting mechanism (7) is provided inside the left side of the first auxiliary movable plate (304) and the five groups of the second auxiliary movable plates (305), and the limiting mechanism (7) comprises a vertical plate (701), and the vertical plate (701) is movably installed inside the first auxiliary movable plate (304). The upper and lower ends of the rear side of the vertical plate (701) are provided with connecting rods (702), and the rear ends of the two connecting rods (702) are provided with a clamping block (703), and the rear ends of the two clamping blocks (703) are inserted into the inside of the C-shaped slider (302). The circumferential surfaces of the two connecting rods (702) are sleeved with a spring 2 (704), and the rear end of the spring 2 (704) is connected to the clamping block (703), and the front end of the spring 2 (704) is connected to the inside of the first auxiliary movable plate (304).

2. A water sampling component for a surface water quality monitoring device according to claim 1, characterized in that: The first auxiliary movable plate (304) and the five groups of the second auxiliary movable plates (305) are provided with sliding grooves (303) at both upper and lower ends, and the rear end of the C-shaped sliding block (302) is slidably mounted inside the sliding groove (303).

3. The water sampling component for a surface water quality monitoring device according to claim 1, characterized in that: The first auxiliary movable plate (304) and the five groups of the second auxiliary movable plates (305) are both provided with a squeezing mechanism (8) inside, the squeezing mechanism (8) comprises a left-right movable plate (801), the left-right movable plate (801) is movably mounted inside the first auxiliary movable plate (304), a ring-shaped mounting block (802) is provided on the left surface of the left-right movable plate (801), a spring three (803) is provided on the left side wall of the ring-shaped mounting block (802), and the left end of the spring three (803) is connected to the inside of the first auxiliary movable plate (304), and an arc-shaped protrusion (804) is provided on the front of the left end of the left-right movable plate (801).

4. The water sampling component for a surface water quality monitoring device according to claim 3, characterized in that: The arc-shaped protrusion (804) is arranged on the right side of the vertical plate (701), and the left end of the rear side of the vertical plate (701) is designed to be arc-shaped. The right side wall of the box body (1) is provided with a storage groove II (14), and there are six storage grooves II (14). The six storage grooves II (14) are respectively arranged on the left side of the six left and right movable plates (801).

5. The water sampling component for a surface water quality monitoring device according to claim 4, characterized in that: A pushing mechanism (9) is provided inside each of the six storage slots (14). The six groups of pushing mechanisms (9) are respectively arranged below the right end of the first sub-movable plate (304) and the five groups of the second sub-movable plates (305). The pushing mechanism (9) includes a lower pressure plate (901). The lower end of the lower pressure plate (901) is movably mounted inside the partition (2) through a spring four (902). The lower right end of the lower pressure plate (901) is movably connected to an upper plate (904) through a hinge rod (903). The middle of the hinge rod (903) is rotatably mounted inside the partition (2) through a fulcrum. The upper plate (904) is movably mounted inside the box body (1), and the upper end of the upper plate (904) is located below the storage slot (14).

6. The water sampling assembly for a surface water quality monitoring device according to claim 5, characterized in that: The left and right sides of the upper end of the lower pressing plate (901) are both arc-shaped, and the lower right ends of the first auxiliary movable plate (304) and the five groups of the second auxiliary movable plates (305) are each provided with a storage groove (11) matching the lower pressing plate (901).

7. The water sampling component for a surface water quality monitoring device according to claim 1, characterized in that: A traction mechanism (4) is arranged above the main movable plate (301), the first auxiliary movable plate (304) and the five groups of the second auxiliary movable plates (305), and the traction mechanism (4) comprises a mounting plate (401), and the mounting plate (401) is arranged on the left inner wall of the box body (1), and an automatic retractable cable reel (402) is arranged on the upper surface of the mounting plate (401), and a traction rope (403) is wound around the circumferential surface of the automatic retractable cable reel (402), and the left end of the traction rope (403) passes through the left side of the box body (1) and is connected to a hook (404), and the hook (404) is connected to a fixing ring (405), and the fixing ring (405) is arranged on the left end of the upper surface of the main movable plate (301).

8. The water sampling component for a surface water quality monitoring device according to claim 7, characterized in that: The left side of the automatic retractable cable reel (402) is provided with a clamping mechanism (5), the clamping mechanism (5) comprises an L-shaped movable plate (501), and the L-shaped movable plate (501) is movably mounted inside the left side of the box body (1) via a spring 1 (502), a cross plug block (503) is provided on the right side of the upper end of the L-shaped movable plate (501), and a cross slot matching the cross plug block (503) is provided on the left side of the automatic retractable cable reel (402) (504), the left side wall of the box body (1) is threadedly connected with a limiting screw (505), and the right end of the limiting screw (505) abuts against the left side wall of the L-shaped movable plate (501), and the left ends of the upper surfaces of the main movable plate (301), the first auxiliary movable plate (304) and the five groups of the second auxiliary movable plates (305) are all provided with L-shaped abutment blocks (13), and the right side of the L-shaped abutment block (13) abuts against the left side of the lower surface of the L-shaped movable plate (501).

9. The water sampling component for a surface water quality monitoring device according to claim 1, characterized in that: A water sampling mechanism (6) is arranged below the main movable plate (301), and the water sampling mechanism (6) includes a motor (601), and the motor (601) is arranged inside the right end of the main movable plate (301), the power output end of the motor (601) is connected to a winding shaft (602) by transmission, and the circumferential surface of the winding shaft (602) is connected to a water quality sampler (603) through a pull rope, and a positioning wheel (604) is arranged on the lower surface of the left end of the main movable plate (301), and the left end of the pull rope is connected to the positioning wheel (604) through rope transmission.

10. The water sampling component for a surface water quality monitoring device according to claim 9, characterized in that: A movable groove (12) is provided inside the front end of the partition (2), and the width of the movable groove (12) is greater than the diameter of the water quality sampler (603). A sealing door (10) is provided on the left side wall of the box body (1), and the sealing door (10) is located on the right side of the water quality sampler (603).

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